Sour Tsunami has high CBD content, as high as 11%, which makes it one of the most seizure-friendly medications on the market. THC levels, on the other hand, are quite low, usually less than 10%. The name of this increasingly popular medical choice refers not to the potency of its high but to the power of its symptom relief. This hybrid strain has a 50/50 ratio of sativa to indica. This strain should be used to treat chronic pain, seizures, insomnia, and stress.